A method for reusing acidic waste liquid in the production process of silicone resin
An acid waste liquid, production process technology, applied in recycling technology, plastic recycling, etc., to achieve the effect of reducing pollution, reducing costs, and reducing waste of resources
Active Publication Date: 2022-06-03
山东大易化工有限公司
View PDF5 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] In order to solve the existing technical problems, the invention provides a method for reusing acidic waste liquid in the production process of silicone resin, by carrying out negative pressure distillation on the MQ acidic waste liquid, after detecting the remaining liquid Y, adding xylene, Silicone resin is prepared by anhydrous alcohol, deionized water, concentrated hydrochloric acid, hexamethyldisiloxane and ethyl orthosilicate to realize the recycling of MQ acidic waste liquid, reduce pollution, reduce waste of resources, and reduce costs
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0028] The mass fraction of hydrogen chloride in the concentrated hydrochloric acid is 36%.
Embodiment 2
[0037] The mass fraction of hydrogen chloride in the concentrated hydrochloric acid is 38%.
[0040]
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The technical solution of the present invention discloses a method for reusing acidic waste liquid in the production process of silicone resin, which includes the following steps: negative pressure distillation of MQ acidic waste liquid, detection of distillate X, component detection of residual liquid Y and remaining To recycle the liquid Y, put the remaining liquid Y into the reaction kettle, add an appropriate amount of concentrated hydrochloric acid, absolute alcohol, hexamethyldisiloxane, tetraethyl orthosilicate, deionized water and di Toluene is used to prepare MQ-type silicone resin, realize the recycling of MQ acidic waste liquid, reduce pollution, reduce waste of resources, and reduce costs.
Description
A kind of reuse method of acid waste liquid in silicone resin production process technical field The present invention relates to organic synthesis technical field, be specifically related to the repetition of acid waste liquid in a kind of silicone resin production process Utilize method. Background technique Silicone resin is a kind of thermosetting polysiloxane polymer with highly cross-linked structure, which has both organic resin and inorganic The dual characteristics of the material have unique physical and chemical properties, good electrical insulation properties, temperature resistance and waterproof effects. exist When using the silicate method to produce MQ-type silicone resin, a large amount of acidic waste liquid will be by-produced, and these waste liquids are usually entrusted to qualified units. to be processed. However, the acidic waste liquid contains a large amount of ethanol, a small amount of water, hydrochloric acid, xylene and some low-cross...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): C08G77/06C08G77/02
CPCC08G77/06C08G77/02C08G77/70Y02W30/62
Inventor 孙大超张星明黄云鹏
Owner 山东大易化工有限公司